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US2814410A Expired / Lapsed US ⏱️ 0.0 years remaining

Double wall tank

Assignee: Union Carbide Corp
•
Filing: 1954-06-24
•
Granted: 1957-11-26
•
Expires: 1974-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 Odd A Hansen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:34
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/086; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0147; F17C2201/0166; F17C2203/00; F17C2203/01; F17C2203/03; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/014; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033; Y; Y10; Y10S; Y10S220/00; Y10S220/918

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CH212271A Cited
US2458060A Cited
US2587204A Cited
US2592974A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-11-25 1961-05-27 1961-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-11-25 1965-05-27 1965-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-11-25 1969-05-27 1969-11-26 $7700.00 Window Closed / Lapsed

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